Ludlum Model 2402 Survey Meter for External Probes

PART NUMBER:48-3087

 

DETECTOR: G-M type detectors
METER DIAL: Typically 0 - 2 mR/hr, BAT OK
MULTIPLIERS: X1, X10, X100
LINEARITY: Reading within plus or minus 10% of true value
ALARM: Indicated by red lamp and continuous audio (Can be set at any point)
AUDIO: Built in unimorph speaker (select quiet position on main switch to silence the audio)
CALIBRATION CONTROLS: Accessible from front of instrument
RESPONSE: Typically 8 seconds from 10% to 90% of final reading
POWER: 1 ea. 9 volt
BATTERY LIFE: Typically 250 hours with alkaline batteries (battery condition can be checked on meter )
METER: 2.5" (6.4 cm) arc, 1 mA analog type
CONSTRUCTION: Aluminum housing with beige polyurethane enamel paint, and a recessed subsurface printed membrane front panel
TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C)
May be certified for operation from -40° F(-40° C) to 150° F(65° C)
SIZE: 1.8" (4.6 cm)H X 3.3" (8.4 cm)W X 5.3" (13.5 cm)L
WEIGHT: 0.9 lbs (0.4 kg) including batteries

For
Alpha
Detection

For
Beta
Detection

For
Gamma
Detection

For Alpha/beta/gamma Detection

Model 44-7
Model 44-9

Model 44-6
Model 44-7
Model 44-9
Model 44-38

Model 44-6
Model 44-7
Model 44-9
Model 44-38

Model 44-7
Model 44-9

Common Meter Dials

 202-959
0 - 5k cpm
For Any Detector

 202-949
0-2.4k cpm; 0-2 mR/hr
For Model 44-6; 44-38

 

 

 

 202-950
0-3.3 kcpm; 0-1 mR/hr
For Model 44-9

202-952
0-4.2 kcpm; 0-2 mR/hr
For Model 44-7

 

Accessories

Replacement Parts

Check Source
Carrying Case

Cables
Meter Movement
Probe Clip

 

 

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